It appears the problem happens when the cursor is right on the corner of the window during rapid resize. Sometimes it escapes/enters the window during this time, which causes Xmir to innocently mir_buffer_stream_release_sync() the cursor, and the libmirclient dies:
==8162== Process terminating with default action of signal 6 (SIGABRT) ==8162== at 0x6F7C267: raise (raise.c:55) ==8162== by 0x6F7DEC9: abort (abort.c:89) ==8162== by 0x7F20B7C: __gnu_cxx::__verbose_terminate_handler() (in /usr/lib/x86_64-linux-gnu/libstdc++.so.6.0.21) ==8162== by 0x7F1E9C5: ??? (in /usr/lib/x86_64-linux-gnu/libstdc++.so.6.0.21) ==8162== by 0x7F1EA10: std::terminate() (in /usr/lib/x86_64-linux-gnu/libstdc++.so.6.0.21) ==8162== by 0x7F1EC78: __cxa_rethrow (in /usr/lib/x86_64-linux-gnu/libstdc++.so.6.0.21) ==8162== by 0x531D26D: mir::client::rpc::MirProtobufRpcChannel::send_message(mir::protobuf::wire::Invocation const&, mir::protobuf::wire::Invocation const&, std::vector<mir::Fd, std::allocator<mir::Fd> >&) (mir_protobuf_rpc_channel.cpp:238) ==8162== by 0x531CFB8: mir::client::rpc::MirProtobufRpcChannel::call_method(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, google::protobuf::MessageLite const*, google::protobuf::MessageLite*, google::protobuf::Closure*) (mir_protobuf_rpc_channel.cpp:210) ==8162== by 0x531B459: mir::client::rpc::DisplayServer::release_buffer_stream(mir::protobuf::BufferStreamId const*, mir::protobuf::Void*, google::protobuf::Closure*) (mir_display_server.cpp:127) ==8162== by 0x52A04B3: MirConnection::release_buffer_stream(mir::client::ClientBufferStream*, void (*)(MirBufferStream*, void*), void*) (mir_connection.cpp:655) ==8162== by 0x52F295C: mir::client::BufferStream::release(void (*)(MirBufferStream*, void*), void*) (buffer_stream.cpp:630) ==8162== by 0x53003E3: mir_buffer_stream_release (mir_buffer_stream_api.cpp:91) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1506358 Title: libmirclient gives up and exits prematurely with "std::exception::what: disconnected: no new buffers" via ExchangeSemantics::submit() To manage notifications about this bug go to: https://bugs.launchpad.net/mir/+bug/1506358/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
